Podcast: Predicting Suicide, the Secrets of a Wolf’s Howl, and More

Can researchers develop a blood test that predicts someone’s risk of committing suicide? Why do wolves howl? And why isn’t every male a super male? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi.

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A 3D plot from a model of the Ebola risk faced at different West African regions over time.
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